title: Orthogonal time-of-flight secondary ion mass spectrometric analysis of peptides using large gold clusters as primary ions.
mesh_terms: D004399:Dynorphins / Q000032:analysis / Q000737:chemistry; D005755:Gastrins / Q000032:analysis / Q000737:chemistry; D006046:Gold / Q000737:chemistry*; D006096:Gramicidin / Q000032:analysis / Q000737:chemistry; D007477:Ions / Q000737:chemistry; D013058:Mass Spectrometry / Q000379:methods*; D010455:Peptides / Q000032:analysis* / Q000737:chemistry; D018629:Spectrometry, Mass, Secondary Ion
chemical_list: D005755:Gastrins; D007477:Ions; D010455:Peptides; D006096:Gramicidin; D006046:Gold; D004399:Dynorphins